<ti-button-group
  id="buttongroup-beforeclick"
  [items]="items"
  [(ngModel)]="selected"
  (beforeClick)="beforeClickFn1($event)"
></ti-button-group>
<br /><br />
<ti-button-group
  id="buttongroup-beforeclick-multi"
  multiple="true"
  [items]="items1"
  [(ngModel)]="selected1"
  (beforeClick)="beforeClickFn2($event)"
></ti-button-group>
<demo-log [logs]="myLogs"></demo-log>
